MyPBX

1. Open MyPBX's web interface. Under "SIP settings", under the tab "Main", enable DNS SRV.

DNS SRV Look Up: YES

2. In Basic settings - External lines add SIP trunk.

Enter the following data:

Provider's name: Zadarma

Host/IP: sip.zadarma.com

Domain: sip.zadarma.com

User: Your sip number (for example 111111) from personal account

Authentication name: Your sip number (for example 111111) from personal account

Password: Your password of sip number from "SIP-settings" in personal account.

FROM Field: Your sip number (for example 111111) from personal account

Active number: Your sip number (for example 111111) from personal account

Caller ID: Your sip number (for example 111111) from personal account

Realm: sip.zadarma.com